Finding the Fourth Proportional to 201,774.24, 278,448.44 and 111,129.44
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Solution
The fourth proportional to 201,774.24, 278,448.44 and 111,129.44 is: 153,358.61
Step by Step Solution
- Step 1: Write the proportion equation
201,774.24 : 278,448.44 = 111,129.44 : x - Step 2: Convert to fraction form
201,774.24/278,448.44 = 111,129.44/x - Step 3: Cross multiply
201,774.24x = 278,448.44 × 111,129.44 - Step 4: Simplify right side
201,774.24x = 30,943,817,258.18 - Step 5: Solve for x
x = 30,943,817,258.18/201,774.24 - Step 6: Final answer
x = 153,358.61
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.